What are BSL wood pellets and why do they matter?

What are BSL wood pellets and why do they matter?

The Biomass Suppliers List is a government scheme to make sure that wood pellets used for heating fuel help reduce carbon emissions.

The BSL criteria for sustainability were introduced to ensure that all biomass fuel deliveries reach 60 per cent emission savings when compared to the EU fossil fuels for heating.

Specifically, emissions have to be less than 34.8g carbon dioxide (CO2) per megajoule (MJ) of heat. This figure must take into account harvesting in managed woodland, production of wood pellets, all emissions from transport and the eventual burning of the fuel.

Billington Bioenergy’s wood pellets fall somewhere between 7-15g CO2 per MJ for both pellets produced in the UK and those imported from Europe. You can compare that with emissions from heating oil comparison at 87g CO2 per MJ and natural gas at 63g CO2 per MJ.


If you’re already claiming quarterly Renewable Heat Incentive (RHI) payments, then you’ll need the BSL number from your invoice for each delivery.

 To find it on your invoice, look next to amount delivered (listed in tonnes) and the specification of biomass (for example, this could read ‘ENplusA1 wood pellets, <10% moisture content’).

Billington Bioenergy is an approved BSL supplier. The BSL number will vary according to where your home or business is and where the wood pellets that we delivered come from. So each BSL number is only valid for that specific delivery.

If you have any questions about the BSL or you’d like a free, no-obligation quote, please call us on 0330 9950270 or email bioenergy@bbe.uk.com, we will be delighted to help you.

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